This is a comprehensive tuning package for the BMW Z4 35i (E89), equipped with the potent twin-turbo inline-6 engine and a Siemens MSD8x series ECU. This package provides a full upgrade path, containing both Stage 1 and Stage 2 calibrations to suit your vehicle's hardware and performance goals.
The Stage 1 file delivers a thrilling performance increase on a completely stock car, dramatically improving acceleration and throttle response for an enhanced daily driving experience.
The Stage 2 file is a high-performance calibration for modified vehicles, requiring upgraded downpipes and a larger intercooler. This tune maximizes the engine's potential, providing aggressive power delivery suitable for the racetrack and spirited driving, turning your Z4 into a true performance machine.
The Stage 1 file delivers a thrilling performance increase on a completely stock car, dramatically improving acceleration and throttle response for an enhanced daily driving experience.
The Stage 2 file is a high-performance calibration for modified vehicles, requiring upgraded downpipes and a larger intercooler. This tune maximizes the engine's potential, providing aggressive power delivery suitable for the racetrack and spirited driving, turning your Z4 into a true performance machine.
Overview Feature list Copyright info Releases (1) Discussion
- Stage 1 (Stock Hardware):
- Significant horsepower and torque gains for a much faster roadster.
- Sharpened throttle response and reduced turbo lag.
- Stage 2 (Requires Downpipes & Intercooler):
- Maximum performance from the stock twin-turbo setup.
- Aggressive boost, fuel, and timing maps for track performance.
- Catalyst monitoring disabled in software for decat pipes (off-road use).
- DKG transmission torque communication optimized for faster shifts and higher power.